The Mother Returns? AI's Will Jan 5, 2019

Naoto wants to end his relationship with his stepfather Seiji legally. With this purpose in mind, he visits Seiji’s home for the first time in a long while. He hasn’t been there since his mother Yuri passed away. At his stepfather’s home, Seiji hands Naoto a cellphone. Suddenly, Naoto hears his mom’s voice on the cellphone.